Olympus BF-UC180F - Appendix D: Acoustic Output Information Accordance with; Iec 60601-2-37; Acoustic Output Table with Olympus Compact Endoscopic Ultrasound; Center

Appendix D: Acoustic Output Information Accordance with IEC 60601-2-37
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ULTRASONIC BRONCHOFIBERVIDEOSCOPE BF-UC180F
Appendix D: Acoustic Output
Information Accordance with
IEC 60601-2-37
Acoustic output table with Olympus compact
endoscopic ultrasound center
BF-UC180F will not exceed an MI of 1.0, or an I
spta.3
of 720 mW/cm
2
in any
mode. In addition, BF-UC180F will not exceed a TI of 1.0 in any mode.
Acoustic output table with Hitachi diagnostic
ultrasound system
The terms used in the acoustic output table are as follows:
Acoustic attenuation coefficient
–12 dB output beam area
Normalizing coefficient
Equivalent aperture diameter
Pulse beam width
Equivalent beam diameter
ƒ
awƒ
Acoustic working frequency
Pulse-average intensity
Attenuated pulse-average intensity
Pulse-intensity integral
Attenuated pulse-intensity integral
Temporal-average intensity
Attenuated temporal-average intensity

A
aprt
A
eq
(z)
D
eq
d
6–
d
eq
I
pa
I
pa
, 
I
pi
I
pi
, 
I
ta
(z)
I
ta
,  (z)